Global Patent Index - EP 0533156 A1

EP 0533156 A1 19930324 - Polyethylene blends.

Title (en)

Polyethylene blends.

Title (de)

Polyethylene Mischungen.

Title (fr)

Mélanges à base de polyéthylène.

Publication

EP 0533156 A1 19930324 (EN)

Application

EP 92115911 A 19920917

Priority

US 76160191 A 19910918

Abstract (en)

A composition of matter comprising: (a) 5 to 40 weight percent inclusive of a low molecular weight ethylene resin made using a titanium catalyst system said resin having a density greater than 0.955 grams per cubic centimeter, a melt index greater than 25 grams per 10 minutes, and a heterogeneity index between 2 and 8 inclusive; and (b) 60 to 95 weight percent inclusive of a high molecular weight ethylene copolymer resin made using a chromium catalyst system said resin having a density of at least 0.93 grams per cubic centimeter, a high load melt index between 1.5 and 15 grams per 10 minutes, and a heterogeneity index between 6 and 100 inclusive; wherein said composition of matter has a melt index greater than 0.05 grams per 10 minutes.

IPC 1-7

C08L 23/04

IPC 8 full level

C08L 23/00 (2006.01); C08L 23/06 (2006.01); C08L 23/08 (2006.01)

CPC (source: EP KR US)

C08L 23/06 (2013.01 - EP US); C08L 23/16 (2013.01 - KR); C08L 2205/02 (2013.01 - EP US); C08L 2205/025 (2013.01 - EP US); C08L 2314/02 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AT BE DE DK ES FR GB GR IT NL SE

DOCDB simple family (publication)

EP 0533156 A1 19930324; CA 2078366 A1 19930319; HU 9202978 D0 19921130; HU T62632 A 19930528; JP H05202243 A 19930810; KR 930006095 A 19930420; NO 923613 D0 19920917; NO 923613 L 19930319; US 5319029 A 19940607

DOCDB simple family (application)

EP 92115911 A 19920917; CA 2078366 A 19920916; HU 9202978 A 19920918; JP 24940792 A 19920918; KR 920016953 A 19920917; NO 923613 A 19920917; US 4863193 A 19930416